.content {
  display: flex;
  width: 1200px; /* 固定宽度，居中显示 */
  margin: 32px auto;
  gap: 24px;
}
.sidebar {
  width: 25%;
}
.main-content {
  width: 50%;
}
/* 侧边栏模块 */
.sidebar section {
  background-color: #fff;
  border-radius: 8px; /* 圆角，柔和视觉 */
  padding: 20px;
  margin-bottom: 24px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.sidebar h2 {
  font-size: 18px;
  border-bottom: 2px solid #165dff; /* 底部边框，突出标题 */
  padding-bottom: 8px;
}
/* 新闻列表样式 */
.news-item {
  background-color: #fff;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  display: flex;
  gap: 16px;
}
.news-item img {
  width: 120px;
  height: 80px;
  object-fit: cover;
  border-radius: 4px;
}
.news-item h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.news-item time {
  color: #999;
  font-size: 14px;
  display: block;
  margin-bottom: 8px;
}